Every resource that is allocated to a free user and every hour in support spent helping a free user come at the cost of a paying user.

FORBES: Why Freemium Isn't Free

The primary driver of this increase was a decision taken by the company to decrease the number of articles a non-paying user could read to 10 from 20.

FORBES: NYT's Swelling Digital Subscribers Take Stock To $8.20

The Consumer Federation of America also says investors would be best served by advisors paying a user fee to the SEC.

FORBES: Magazine Article

Microsoft streamed the event on its Xbox Live platform, making it available to any user with a paying membership.

FORBES: Gamers Call The Debate For Obama

It converted just under 5% of its total user base into paying customers.

FORBES: Free of Freemium, Things Are Starting To Look Up At Ning

In such cases, always extract meaningful compensation from these Pilot customers to offset your costs and to increase the likelihood that the Pilot user will convert to a paying customer.

FORBES: How To Gain The 'Traction' A VC Cannot Ignore

This trend bears watching, and the utilities should be paying close attention to both volumes sold and user behavior.

FORBES: Electric Cars and the Power Grid: How Are They Coming Together?

All three of these social media networks are still receiving high marks in the business community, and we see far greater results on these networks in terms of user engagement and website traffic generation (without paying for advertising).

FORBES: Should You Leave Facebook? EdgeRank Confusion, Promoted Posts, and Why Small Business Owners Are Exceedingly Frustrated

"Paying a fine is not a big deal, " wrote one user.

WSJ: China Seeks to Calm Anxiety Over Rice

If you have a fast enough Internet connection, Napster allows you to call up a copy of almost any pop song from another user's computer, within a few seconds and without paying a penny.

ECONOMIST: Napster��s wake-up call